MINI #43 - USING SIMILARITY TO SOLVE GEOMETRY PROBLEMS Plane Geometry Proportional Reasoning Solid Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
RATIOS AND AREA Measurement Plane Geometry Proportional Reasoning Understanding and applying ratios can be used in a variety of problems, from finding a missing measurement to determining scale between similar figures. Mathletes will solve problems using ratios... Read More
MINI #60 - MORE COUNTING STRATEGIES Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #94 - MAKE A SKETCH Algebraic Expressions and Equations Plane Geometry Problem Solving (Misc.) Video by Art of Problem Solving's Richard Rusczyk. Read More